<template>
    <el-form label-width="100px">
        <el-form-item label="SKU名称">
            <el-input placeholder="SKU名称" v-model="skuParams.skuName"></el-input>
        </el-form-item>
        <el-form-item label="价格(元)">
            <el-input placeholder="价格(元)" type="number" v-model="skuParams.price"></el-input>
        </el-form-item>
        <el-form-item label="重量(克)">
            <el-input placeholder="重量(克)" type="number" v-model="skuParams.weight"></el-input>
        </el-form-item>
        <el-form-item label="SKU描述">
            <el-input placeholder="SKU描述" type="textarea" v-model="skuParams.skuDesc"></el-input>
        </el-form-item>
        <el-form-item label="平台属性">
            <el-form :inline="true">
                <el-form-item v-for="(item, index) in attrArr" :key="item.id" :label="item.attrName"
                    style="width: 200px;">
                    <el-select v-model="item.attrIdAndValueId">
                        <el-option v-for="(attrValue, index2) in item.attrValueList" :key="attrValue.id"
                            :label="attrValue.valueName" :value="`${item.id}:${attrValue.id}`"></el-option>
                    </el-select>
                </el-form-item>
            </el-form>
        </el-form-item>
        <el-form-item label="销售属性">
            <el-form :inline="true">
                <el-form-item v-for="(item, index) in saleArr" :key="item.id" :label="item.saleAttrName"
                    style="width: 200px;">
                    <el-select v-model="item.saleIdAndValueId">
                        <el-option v-for="(saleAttrValue, index2) in item.spuSaleAttrValueList" :key="saleAttrValue.id"
                            :label="saleAttrValue.saleAttrValueName"
                            :value="`${item.id}:${saleAttrValue.id}`"></el-option>
                    </el-select>
                </el-form-item>
            </el-form>
        </el-form-item>
        <el-form-item label="图片名称">
            <el-table border :data="imgArr" ref="table">
                <el-table-column type="selection" width="80px" align="center"></el-table-column>
                <el-table-column label="图片">
                    <template #="{ row, $index }">
                        <img :src="row.imgUrl" alt="" style="width: 100px;height: 100px;">
                    </template>
                </el-table-column>
                <el-table-column label="名称" prop="imgName"></el-table-column>
                <el-table-column label="操作">
                    <template #="{ row, $index }">
                        <el-button @click="handler(row)" type="primary" size="small">设置默认</el-button>
                    </template>
                </el-table-column>
            </el-table>
        </el-form-item>
        <el-form-item>
            <el-button @click="save" type="primary">保存</el-button>
            <el-button @click="cancel" type="primary">取消</el-button>
        </el-form-item>
    </el-form>
</template>

<script setup lang="ts">
import { ref, reactive } from 'vue'
// 引入请求API
import { reqAttr } from '@/api/product/attr';
import { reqSpuImageList, reqSpuHasSaleAttr, reqAddSku } from '@/api/product/spu';
import type { SkuData } from '@/api/product/spu/type';
import { ElMessage } from 'element-plus';

// 平台属性
let attrArr = ref<any>([])
// 销售属性
let saleArr = ref<any>([])
// 照片墙
let imgArr = ref<any>([])
// 获取table组件实例
let table = ref<any>()
// 收集SKU参数
let skuParams = reactive<SkuData>({
    category3Id: '',
    spuId: '',
    tmId: '',
    skuName: '',
    price: '',
    weight: '',
    skuDesc: '',
    skuAttrValueList: [],
    skuSaleAttrValueList: [],
    skuDefaultImg: '',
})

let $emit = defineEmits(['changeScene'])
// 取消按钮
const cancel = () => {
    $emit('changeScene', { flag: 0, params: '' })
}

// 当前子组件方法对外暴露
const initSkuData = async (c1Id: number | string, c2Id: number | string, spu: any) => {
    // 收集数据
    skuParams.category3Id = spu.category3Id
    skuParams.spuId = spu.id
    skuParams.tmId = spu.tmId

    // 获取平台属性
    let result: any = await reqAttr(c1Id, c2Id, spu.category3Id)

    // 获取对应的销售属性
    let result1: any = await reqSpuHasSaleAttr(spu.id)

    // 获取照片墙数据
    let result2: any = await reqSpuImageList(spu.id)

    // 平台属性
    attrArr.value = result.data

    // 销售属性
    saleArr.value = result1.data

    // 照片墙
    imgArr.value = result2.data
}

// 设置默认图片
const handler = (row: any) => {
    // 点击时,全部图片的复选框不勾选
    imgArr.value.forEach((item: any) => {
        table.value.toggleRowSelection(item, false)
    });
    // 选中的图片勾选
    table.value.toggleRowSelection(row, true)

    // 收集图片地址
    skuParams.skuDefaultImg = row.imgUrl
}

// 保存按钮
const save = async () => {
    // 整理数据
    // 平台属性
    skuParams.skuAttrValueList = attrArr.value.reduce((prev: any, next: any) => {
        if (next.attrIdAndValueId) {
            let [attrId, valueId] = next.attrIdAndValueId.split(':')
            prev.push({
                attrId,
                valueId
            })
        }
        return prev
    }, [])

    // 销售属性
    skuParams.skuSaleAttrValueList = saleArr.value.reduce((prev: any, next: any) => {
        if (next.saleIdAndValueId) {
            let [saleAttrId, saleAttrValueId] = next.saleIdAndValueId.split(':')
            prev.push({
                saleAttrId,
                saleAttrValueId
            })
        }
        return prev
    }, [])

    // 发请求 添加SKU请求
    let result: any = await reqAddSku(skuParams)
    if (result.code == 200) {
        ElMessage({
            type: 'success',
            message: '添加SKU成功'
        })
        // 通知父组件切换场景0
        $emit('changeScene', { flag: 0, params: 'add' })
    } else {
        ElMessage({
            type: 'error',
            message: '添加SKU失败'
        })
    }
}

// 对外暴露方法
defineExpose({
    initSkuData
})
</script>

<style lang="scss" scoped></style>